There isnt menu folder in android studio project
Not all folders are created automatically with new projects. If you need it, just press right mouse button while pointers is over res/ folder in your project and select New... -> Directory and name it menu and then you put your menu XMLs inside that folder.
Following are steps to create Menu folder in res:
- Right click on res
- New --> Android Resource Directory
- Name your directory and set Resource type as Menu.
Your Menu is created.